White-hot read “Fifty Shades of Grey” has left unassuming New York women so feverish, they’re snapping up all the tools and toys that bondage and S&M hunk Christian Grey introduces to “unexplored” young heroine Anastasia in the book.

They’re even slipping into hardware stores and demurely asking for bondage material — the very type of natural-filament rope in the trilogy.

“Oh, we’ve been selling rope to women,” says Clifton Kahn, owner of Lexington Hardware on the Upper East Side. “I’d say tenfold more rope than usual in the last six months. The women are definitely buying, and it’s still continuing.”

The store’s most popular item is the soft-cotton “clothes line” rope, which retails at a bargain $5 for 50 feet.

Tarzian Hardware in Park Slope, Brooklyn, has also seen a rash of rope sales. “It’s usually men buying rope, but the women, they’ve been coming in the last few months,” cashier Christina Davila told The Post. “I’ve actually read the book. So when the women buy rope, it was kind of like, ‘Hmmm, that does seem a little unusual.’ ”

Nathaniel Garber Schoen, co-owner of Garber Hardware in the West Village, says customers eager to get tied up rather than secure lumber have a telltale sign: They request softer nylon material. In which case Schoen recommends the 12-gauge, non-braided nylon — “Anything skinnier is too small. You might hurt yourself,” he says of the rope, $18 for a 50-foot spool. “For those purposes, 12-gauge is a reasonable choice and the most popular.”...